Finding the Fourth Proportional to 205,645.88, 308,354.21 and 63,450.79
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Solution
The fourth proportional to 205,645.88, 308,354.21 and 63,450.79 is: 95,140.82
Step by Step Solution
- Step 1: Write the proportion equation
205,645.88 : 308,354.21 = 63,450.79 : x - Step 2: Convert to fraction form
205,645.88/308,354.21 = 63,450.79/x - Step 3: Cross multiply
205,645.88x = 308,354.21 × 63,450.79 - Step 4: Simplify right side
205,645.88x = 19,565,317,136.19 - Step 5: Solve for x
x = 19,565,317,136.19/205,645.88 - Step 6: Final answer
x = 95,140.82
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.